JP2000291079A - Vertical water intake - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the efficiency of water intake, to prevent the intake from being disturbed by large and small refuse such as fallen leaves and sand, and also to facilitate removal of the refuse. SOLUTION: A leader water intake device 20 is constituted by forming a conical part 23 expanding downward conically from the upper connection part 24 of the main body 21 of the water intake device and by forming a water storage part 22 shaped like a vessel and having a takeout pipe 22a projecting from the lateral side, so that it joins to the lower part of the conical part 23. A tubular water passage part 27 piercing the center of the bottom portion 22b of the water storage part 22 is provided, while a plurality of fins 26 are provided from the inner wall surface of the conical part 23 toward the axial part so that they jut out to be in contact with the water passage part 27 and to have a radial section.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical water intake device which receives rainwater from a roof of a building and allows the water to flow down, connects the water at upper and lower connecting portions, takes water, and discharges the water to a water storage tank.

[0002]

2. Description of the Related Art Conventionally, as this kind, for example,
FIG. 7 shows a first conventional example (utility model registration No. 2587936).
FIG. 8 (Japanese Unexamined Patent Application Publication No.
No. 771).

[0003] In the first prior art, as a constituent element, as shown in FIG. 7, a water intake device is provided on the shaft center of a water intake mounting body 2 having a pipe having upper and lower surfaces opened. 3 and the inner wall surface of the water intake mounting body 2 and the water intake 3
A plurality of water intake guide plates 4 inclined obliquely downward toward the axial center portion are radially laid at predetermined intervals in the circumferential direction between the water intake tank 3 and the water storage tank T.
Discloses an intake device 1 in which an intake pipe line 5 is connected.

In the second conventional example, as shown in FIG. 8, a bypass 15 is provided which branches off from a vertical line 18. And the bypass 1
5 into the water tank T ', and the water tank has an overflow pipe 1
7 and a rain water outlet 19 are provided, and a water intake device 11 that allows the rain water blocking unit 13 to be freely opened and closed is disclosed.

[0005]

However, in the water intake devices 1 and 11 according to the prior art, in the first embodiment, since the water intake guide plate 4 is provided radially, rainwater flowing down the inner wall surface and flowing down is collected. Difficult to take water with poor water intake efficiency. In addition, there has been a problem that the water intake guide plate 4 is entangled with fallen leaves and the like and frequently blocks the water intake unit 3 at the axial center, making it difficult to take water.

In the second embodiment, there is a problem that the open plate 14 of the rainwater cutoff section 13 is poorly balanced and lacks water stoppage, and is entangled with debris such as falling leaves. Had.

In addition, there is also a problem in that there is no countermeasure for passing rainwater such as fallen leaves and sand in the bypass, and the wastewater flows into the water storage tank, where garbage precipitates and rots, thereby being unsanitary.

Accordingly, an object of the present invention is to provide a vertical water intake device which has a high water intake efficiency, does not hinder water intake by large and small trash such as leaves and sand, and can easily remove the trash.

[0009]

In order to achieve the above-mentioned object, the invention according to the first aspect of the present invention is directed to a vertical shaft which receives rainwater from a roof of a building and flows down the rainwater by connecting the upper and lower connecting portions to take water. Forming a conical portion that expands conically downward from the upper connection portion of the water intake main body in a vertical drainage that flows into a water storage tank, and is connected to a lower portion of the conical portion and protrudes from the side in a container shape. A water reservoir having an outlet pipe is formed, and the water reservoir is provided with a tubular water passage penetrating through the center of the bottom portion, and a plurality of plate-like fins are formed from the inner wall surface of the conical portion toward the axial center portion. Are arranged so as to protrude so as to abut on the water passage section and have a radial cross section.

[0010] In such a case, most of the rainwater is transmitted to the vertical inner wall surface and flows down while scattering.
When flowing into the vertical intake, it is connected to the inner wall surface of the cone and spreads down to the surface of the fin that extends to the reservoir, and flows down.
Water is efficiently stored in the water storage section and taken out to the water storage tank. Also,
When the outflow cannot be separated only by a vertical take-out pipe due to a large amount of rainfall, the water is drained by overflowing directly from the water passage formed in the shaft center part and overflowing from the water storage part.

According to a second aspect of the present invention, in the vertical water intake device according to the first aspect, the inside of the upper end of the fin is inclined obliquely inward and downward, and the inner wall surface of the upper end is formed. On the side, a gap with the inner wall surface is provided at the upper end with a narrow gap extending narrower and extending downward to form a fitting portion, and the upper end of the fitting portion is elastically deformed starting from the root portion. And

In such a case, large dust can be captured so as not to adhere to the inner wall surface at the upper end of the slanted fin. In addition, just by pushing the upper end of the fin in the vertical direction, the fitting portion can be expanded and fitted, and the upper vertical groove is pressed and held.

According to a third aspect of the present invention, in the vertical water intake device according to the first aspect, the water storage portion has an opening formed diagonally outward and downward on the bottom surface, and the opening is formed in the opening. The simple plug can be closed.

In such a device, fine dust such as fine sand accumulated in the water storage portion can be removed by opening the opening at the bottom portion.

According to a fourth aspect of the present invention, there is provided the vertical water intake device according to the first aspect, wherein a somewhat large-diameter intermediate pipe is connected to the middle of the take-out pipe to form a garbage reservoir. It is characterized in that the connection before and after the intermediate pipe is made into a screw-in assembly structure that can be attached and detached freely.

In such a device, it is possible not only to remove the debris of the supernatant water flowing out of the water storage part, but also to remove fine dust such as fine sand at two places of the water storage part and the intermediate pipe. .

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a vertical water intake device according to an embodiment of the present invention. FIG.

FIG. 1 is an explanatory diagram showing the configuration of a vertical water intake device and the connection status between the vertical water intake device and the vertical water intake device. FIG. 2 is a longitudinal sectional view showing one side from the axis of the water intake main body. FIG. 3 is an explanatory diagram showing the operation of the upper end portion in FIG. FIG.
It is sectional drawing along the A line.

In FIG. 1, reference numeral 20 denotes a vertical water intake;
Is a water intake main body, the water intake main body 21 is formed with connecting portions 24 and 25 at the top and bottom, respectively, and forms a conical portion 23 that expands conically downward from the lower portion of the upper connecting portion 24,
A water storage portion 22 having a cylindrical section and having a bottom surface portion 22b is formed below the conical portion 23 having the enlarged diameter and having a larger diameter.
a is provided.

The outlet pipe 22a is provided at a high position in the water storage section 22. Therefore, dust such as fine sand mixed in the water is settled on the bottom surface 22b, and the supernatant is removed from the discharge pipe 22.
a.

The water storage section 22 is provided with a water passage section 27 of a pipe having substantially the same height as the water storage section 22 through the axis of the bottom section 22b. Have.

Further, a lower connecting portion 25 is provided by connecting a tubular body below the bottom portion 22b of the water storage portion 22 so that the lower connecting portion 32 can be connected to the lower connecting portion 25.

Further, in the conical portion 23 inside the water intake main body 21, a plurality of fins 26 are formed from the inner wall surface 21a.
In the present embodiment, eight fins are arranged in a standing plate shape abutting on the water passage 27 and are arranged radially in cross section.

Reference numeral 50 denotes a roof of a building.
A vertical water intake device 20 is connected between the first and second water intake devices 32, and a rainwater storage tank 40 is connected to the vertical water intake device 20 through an outlet pipe 22a.
The water is taken from the water collecting port 41 having the air hole 42.

In FIG. 2, the inner wall surface 21a of the conical portion 23
The plurality of fins 26 are formed so that the area where rainwater is transmitted and flows down is expanded, and scattered water also adheres to the fins 26 so that more rainwater flows down to the water storage section 22 immediately below the fins 26.

The inside of the upper end 26a of the fin 26 is inclined obliquely inward and downward. Therefore, large dust such as fallen leaves is entangled with the upper end portion 26a of the fin 26, and is stopped so as to be located inside on the inclined surface, so that rainwater flowing down the inner wall surface 21a does not hinder the flow. .

In FIG. 3, the upper end 26a of the fin 26
The shape of the inner wall surface 21a side is such that the gap with the inner wall surface 21a is narrow at the upper end and forms an elongated gap that spreads downward.
4a are formed. Accordingly, when the upper vertical gutter 31 is pushed in the direction of the arrow p between the upper connection portion 24 and the upper end portion 26a of the fin 26, the upper end portion 26a starts from the symbol r in the arrow q direction and is indicated by a chain line. In this configuration, the upper vertical gutter 31 is elastically deformed so as to be pinched and connected.

In FIG. 4, the fins 26 are arranged such that a plurality of fins 26 (eight fins in the present embodiment) are directed from the inner wall surface 21 a of the conical portion 23 to the water passage portion 27. It is formed so as to radially project and abut.

Next, the operation of the vertical water intake device 20 configured as described above will be described mainly with reference to FIG.

That is, the rainwater that flows down from the roof 50 of the building flows down from the vertical 31, 32 through the horizontal. Then, in the water intake main body 21 connected between the upper vertical gutter 31 and the lower vertical gutter 32, the rainwater flowing down from the upper vertical gutter 31 flows down along the inner wall surface and the fins 26 and is stored in the water storage portion 22. You. When the amount of the stored water reaches the water level of the discharge pipe 22a, it flows into the water storage tank 40 via the discharge pipe 22a to be stored and used.

It is to be noted that the rainfall in Japan accounts for about 97% when the rainfall is 15 mm / H or less. It flows down along the inner wall surface and the fins 26. However, in the case where the flow rate exceeds the normal range, the water flows directly from the inner wall surface through the water passage 27 at the axial center.

(Modification 1) FIG. 5 is a sectional view showing Modification 1 of the water storage section according to the embodiment.

That is, an opening 22d is provided obliquely outward and downward from the bottom portion 22b of the water storage portion 22, and a simple plug 22e that can be easily removed is provided in the opening 22d. Therefore, the garbage reservoir S in the water storage section 22
Garbage such as fine sand that has accumulated in the container can be opened and discharged for cleaning.

Here, the simple stopper 22e refers to a commonly used stopper such as rubber or cork.

Other configurations and operations are the same as those of the embodiment, and the description thereof is omitted.

(Modification 2) FIG. 6 is a sectional view showing Modification 2 of the extraction pipe according to the embodiment.

That is, an intermediate pipe 22f is mounted in the middle of the discharge pipe 22a (see FIG. 1) shown in the above-described embodiment.
Side, an inner thread portion 22i is formed on the side, a thread portion is provided at one end of the intermediate tube 22f having a slightly larger diameter and screwed to the thread portion 22i, and an outer thread portion 22h is provided at the other end of the intermediate tube 22f,
The screw portion 22h provided on the flange of the extraction pipe 22k having a flange is screwed into the screw portion 22h to form a sand stopper s. Further, a small hole 22g for venting air is provided at a position higher than the intermediate pipe 22f (a position higher than the upper surface of the water passage 27).

Therefore, the supernatant water taken out of the water storage section 22 is further removed with dust such as fine sand by the dust holding s provided in the intermediate pipe 22f.

When cleaning the dust reservoir s, the intermediate pipe 2
By removing any of the screw portions 22h and 22i inside and outside 2f, dust can be removed.

Note that it is also possible to use together with the first modification.

Other configurations and operations are the same as those of the embodiment, and the description thereof will be omitted.

[0042]

According to the first aspect of the present invention, there is provided a vertical water intake device.
According to the invention, rainwater flows in most cases along the vertical inner wall surface, so that the water intake efficiency is higher than that of a conventional water intake device provided with a water intake device at the axial center.

According to the second aspect of the present invention, large debris such as leaf fall can be captured at the upper end of the fin, and the flow of rainwater traveling on the inner wall surface can be taken without being obstructed, and the water intake efficiency is high.

Further, the upper connecting portion can be fitted simply by pushing in the upper vertical gutter, and can be easily attached and detached. Therefore, it is easy to relocate, and it is possible to change the installation location in accordance with the use and season, which is effective.

According to the third aspect of the present invention, it is sanitary because the trash in the water storage portion can be cleaned only by removing the plug of the trash removal port.

According to the fourth aspect of the present invention, by the intermediate pipe,
Garbage can be further removed from the supernatant taken from the reservoir.

Further, since garbage can be captured and cleaned by two garbage reservoirs provided in the water storage section and the intermediate pipe, it is more sanitary.

Further, since the air vent hole is provided, the outflow is not interrupted due to a vacuum state. Therefore, rainfall can be immediately taken from the outlet pipe.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a configuration of a vertical water intake device according to an embodiment of the present invention and a connection state between the vertical water intake device and the vertical water intake device.

FIG. 2 is a longitudinal sectional view showing one side from an axis of the water intake main body according to the embodiment.

FIG. 3 is an explanatory view showing an operation of an upper end portion of FIG. 2;

FIG. 4 is a sectional view taken along the line AA of FIG. 2;

FIG. 5 is a sectional view showing Modification Example 1 according to the embodiment.

FIG. 6 is a sectional view showing Modification 2 according to the embodiment.

FIG. 7 is an explanatory view showing a first embodiment of a water intake device according to the related art.

FIG. 8 is an explanatory diagram showing a water intake device according to a second embodiment of the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 20 ... Vertical water intake device 21 ... Water intake device main body 22 ... Water storage part 22a ... Discharge pipe 22b ... Bottom part 23 ... Conical part 24 ... Upper connection part 26 ... Fin 27 ... Water passage part 40 ... Water storage tank

Claims (4)

[Claims] 1. A vertical water intake device which receives rainwater from a roof of a building and flows down the rainwater, connects the water at an upper and lower connection portion, takes water, and discharges the water to a water storage tank. A conical portion that expands conically downward is formed, and a water storage portion having a discharge pipe protruding from the side in a container shape connected to a lower portion of the conical portion is formed,
The water storage portion is provided with a tubular water flow portion penetrating the center of the bottom portion, and a plurality of plate-like fins are directed from the inner wall surface of the conical portion toward the axial portion so as to contact the water flow portion. A vertical intake with a radially extending cross section. 2. The inside of the upper end of the fin is inclined obliquely inward and downward, and on the inner wall surface side of the upper end, a gap with the inner wall surface is narrow at the upper end and extends in an elongated space extending downward. The vertical water intake device according to claim 1, wherein the fitting portion is formed so that an upper end of the fitting portion is elastically deformed starting from a root portion. 3. The water reservoir according to claim 1, wherein an opening is formed in the bottom surface toward an obliquely outward and downward direction, and a simple plug can be closed in the opening. Vertical water intake. 4. An intermediate pipe having a slightly larger diameter is connected to the middle of the take-out pipe to form a refuse reservoir, and the connection between the front and rear of the intermediate pipe is a screw-in assembly structure that can be freely attached and detached. The vertical water intake device according to claim 1, characterized in that: